Concave Polygon: Definition & Examples - Quiz & Worksheet


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question 1 of 3

Which of the following shapes is NOT a polygon?

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1. Which angle measurement would make a polygon concave?

2. Why is this polygon NOT concave?

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About This Quiz & Worksheet

A concave polygon is a very specific type, as opposed to the general polygons you're used to learning about. In this quiz, you'll recognize concave polygons, and what exactly makes them concave.

Quiz & Worksheet Goals

This quiz will assess your understanding of concave polygons in the following ways:

  • Understand what shapes are and are not polygons
  • Recognize an angle measurement that would make a polygon concave
  • Understand why a given polygon isn't concave
  • Understand why a given polygon is concave

Skills Practiced

  • Reading comprehension - draw from relevant information about concave polygons and exterior lines found in this quiz's corresponding lesson
  • Critical thinking - use this information to consider why a polygon is or is not concave
  • Knowledge application - use what you've learned about angle measurements to successfully answer questions about polygons

Additional Learning

The lesson Concave Polygon: Definition & Examples covers the following objectives:

  • Define polygon
  • Explore characteristics of shapes that are not polygons
  • Understand the cave method that helps identify concave polygons
  • Explain what makes a polygon concave
  • Provide examples of concave polygons